Data Science For Dummies, 3rd Edition
- Length: 432 pages
- Edition: 3
- Language: English
- Publisher: For Dummies
- Publication Date: 2021-09-15
- ISBN-10: 1119811554
- ISBN-13: 9781119811558
- Sales Rank: #339501 (See Top 100 Books)
Make smart business decisions with your data by design!
Take a deep dive to understand how developing your data science dogma can drive your business―ya dig? Every phone, tablet, computer, watch, and camera generates data―we’re overwhelmed with the stuff. That’s why it’s become increasingly important that you know how to derive useful insights from the data you have to understand which piece of data in the sea of data is important and which isn’t (trust us: not as scary as it sounds!), and to rely on said data to make critical business decisions. Enter the world of data science: the practice of using scientific methods, processes, and algorithms to gain knowledge and insights from any type of data.
Data Science For Dummies provides a comprehensive introduction in that friendly and approachable way you’ve come to know from Dummies. Your new go-to guide breaks down this vast topic into three smaller parts―big data, data science, and data engineering―and then shows you how to combine those areas to produce value and make informed decisions to drive business growth. It’s also filled with real-world examples and applications that you can apply to your situation.
Data Science For Dummies demonstrates:
- How natural language processing works
- Strategies around data science
- How to make decisions using probabilities
- Ways to display your data using a visualization model
- How to incorporate various programming languages into your strategy
Whether you’re a professional or a student, Data Science For Dummies will get you caught up on all the latest data trends. Find out how to ask the pressing questions you need your data to answer by picking up your copy today.
Title Page Copyright Page Table of Contents Introduction About This Book Foolish Assumptions Icons Used in This Book Beyond the Book Where to Go from Here Part 1 Getting Started with Data Science Chapter 1 Wrapping Your Head Around Data Science Seeing Who Can Make Use of Data Science Inspecting the Pieces of the Data Science Puzzle Collecting, querying, and consuming data Applying mathematical modeling to data science tasks Deriving insights from statistical methods Coding, coding, coding — it’s just part of the game Applying data science to a subject area Communicating data insights Exploring Career Alternatives That Involve Data Science The data implementer The data leader The data entrepreneur Chapter 2 Tapping into Critical Aspects of Data Engineering Defining Big Data and the Three Vs Grappling with data volume Handling data velocity Dealing with data variety Identifying Important Data Sources Grasping the Differences among Data Approaches Defining data science Defining machine learning engineering Defining data engineering Comparing machine learning engineers, data scientists, and data engineers Storing and Processing Data for Data Science Storing data and doing data science directly in the cloud Storing big data on-premise Processing big data in real-time Part 2 Using Data Science to Extract Meaning from Your Data Chapter 3 Machine Learning Means . . . Using a Machine to Learn from Data Defining Machine Learning and Its Processes Walking through the steps of the machine learning process Becoming familiar with machine learning terms Considering Learning Styles Learning with supervised algorithms Learning with unsupervised algorithms Learning with reinforcement Seeing What You Can Do Selecting algorithms based on function Using Spark to generate real-time big data analytics Chapter 4 Math, Probability, and Statistical Modeling Exploring Probability and Inferential Statistics Probability distributions Conditional probability with Naïve Bayes Quantifying Correlation Calculating correlation with Pearson’s r Ranking variable-pairs using Spearman’s rank correlation Reducing Data Dimensionality with Linear Algebra Decomposing data to reduce dimensionality Reducing dimensionality with factor analysis Decreasing dimensionality and removing outliers with PCA Modeling Decisions with Multiple Criteria Decision-Making Turning to traditional MCDM Focusing on fuzzy MCDM Introducing Regression Methods Linear regression Logistic regression Ordinary least squares (OLS) regression methods Detecting Outliers Analyzing extreme values Detecting outliers with univariate analysis Detecting outliers with multivariate analysis Introducing Time Series Analysis Identifying patterns in time series Modeling univariate time series data Chapter 5 Grouping Your Way into Accurate Predictions Starting with Clustering Basics Getting to know clustering algorithms Examining clustering similarity metrics Identifying Clusters in Your Data Clustering with the k-means algorithm Estimating clusters with kernel density estimation (KDE) Clustering with hierarchical algorithms Dabbling in the DBScan neighborhood Categorizing Data with Decision Tree and Random Forest Algorithms Drawing a Line between Clustering and Classification Introducing instance-based learning classifiers Getting to know classification algorithms Making Sense of Data with Nearest Neighbor Analysis Classifying Data with Average Nearest Neighbor Algorithms Classifying with K-Nearest Neighbor Algorithms Understanding how the k-nearest neighbor algorithm works Knowing when to use the k-nearest neighbor algorithm Exploring common applications of k-nearest neighbor algorithms Solving Real-World Problems with Nearest Neighbor Algorithms Seeing k-nearest neighbor algorithms in action Seeing average nearest neighbor algorithms in action Chapter 6 Coding Up Data Insights and Decision Engines Seeing Where Python and R Fit into Your Data Science Strategy Using Python for Data Science Sorting out the various Python data types Putting loops to good use in Python Having fun with functions Keeping cool with classes Checking out some useful Python libraries Using Open Source R for Data Science Comprehending R’s basic vocabulary Delving into functions and operators Iterating in R Observing how objects work Sorting out R’s popular statistical analysis packages Examining packages for visualizing, mapping, and graphing in R Chapter 7 Generating Insights with Software Applications Choosing the Best Tools for Your Data Science Strategy Getting a Handle on SQL and Relational Databases Investing Some Effort into Database Design Defining data types Designing constraints properly Normalizing your database Narrowing the Focus with SQL Functions Making Life Easier with Excel Using Excel to quickly get to know your data Reformatting and summarizing with PivotTables Automating Excel tasks with macros Chapter 8 Telling Powerful Stories with Data Data Visualizations: The Big Three Data storytelling for decision makers Data showcasing for analysts Designing data art for activists Designing to Meet the Needs of Your Target Audience Step 1: Brainstorm (All about Eve) Step 2: Define the purpose Step 3: Choose the most functional visualization type for your purpose Picking the Most Appropriate Design Style Inducing a calculating, exacting response Eliciting a strong emotional response Selecting the Appropriate Data Graphic Type Standard chart graphics Comparative graphics Statistical plots Topology structures Spatial plots and maps Testing Data Graphics Adding Context Creating context with data Creating context with annotations Creating context with graphical elements Part 3 Taking Stock of Your Data Science Capabilities Chapter 9 Developing Your Business Acumen Bridging the Business Gap Contrasting business acumen with subject matter expertise Defining business acumen Traversing the Business Landscape Seeing how data roles support the business in making money Leveling up your business acumen Fortifying your leadership skills Surveying Use Cases and Case Studies Documentation for data leaders Documentation for data implementers Chapter 10 Improving Operations Establishing Essential Context for Operational Improvements Use Cases Exploring Ways That Data Science Is Used to Improve Operations Making major improvements to traditional manufacturing operations Optimizing business operations with data science An AI case study: Automated, personalized, and effective debt collection processes Gaining logistical efficiencies with better use of real-time data Another AI case study: Real-time optimized logistics routing Modernizing media and the press with data science and AI Generating content with the click of a button Yet another case study: Increasing content generation rates Chapter 11 Making Marketing Improvements Exploring Popular Use Cases for Data Science in Marketing Turning Web Analytics into Dollars and Sense Getting acquainted with omnichannel analytics Mapping your channels Building analytics around channel performance Scoring your company’s channels Building Data Products That Increase Sales-and-Marketing ROI Increasing Profit Margins with Marketing Mix Modeling Collecting data on the four Ps Implementing marketing mix modeling Increasing profitability with MMM Chapter 12 Enabling Improved Decision-Making Improving Decision-Making Barking Up the Business Intelligence Tree Using Data Analytics to Support Decision-Making Types of analytics Common challenges in analytics Data wrangling Increasing Profit Margins with Data Science Seeing which kinds of data are useful when using data science for decision support Directing improved decision-making for call center agents Discovering the tipping point where the old way stops working Chapter 13 Decreasing Lending Risk and Fighting Financial Crimes Decreasing Lending Risk with Clustering and Classification Preventing Fraud Via Natural Language Processing (NLP) Chapter 14 Monetizing Data and Data Science Expertise Setting the Tone for Data Monetization Monetizing Data Science Skills as a Service Data preparation services Model building services Selling Data Products Direct Monetization of Data Resources Coupling data resources with a service and selling it Making money with data partnerships Pricing Out Data Privacy Part 4 Assessing Your Data Science Options Chapter 15 Gathering Important Information about Your Company Unifying Your Data Science Team Under a Single Business Vision Framing Data Science around the Company’s Vision, Mission, and Values Taking Stock of Data Technologies Inventorying Your Company’s Data Resources Requesting your data dictionary and inventory Confirming what’s officially on file Unearthing data silos and data quality issues People-Mapping Requesting organizational charts Surveying the skillsets of relevant personnel Avoiding Classic Data Science Project Pitfalls Staying focused on the business, not on the tech Drafting best practices to protect your data science project Tuning In to Your Company’s Data Ethos Collecting the official data privacy policy Taking AI ethics into account Making Information-Gathering Efficient Chapter 16 Narrowing In on the Optimal Data Science Use Case Reviewing the Documentation Selecting Your Quick-Win Data Science Use Cases Zeroing in on the quick win Producing a POTI model Picking between Plug-and-Play Assessments Carrying out a data skill gap analysis for your company Assessing the ethics of your company’s AI projects and products Assessing data governance and data privacy policies Chapter 17 Planning for Future Data Science Project Success Preparing an Implementation Plan Supporting Your Data Science Project Plan Analyzing your alternatives Interviewing intended users and designing accordingly POTI modeling the future state Executing On Your Data Science Project Plan Chapter 18 Blazing a Path to Data Science Career Success Navigating the Data Science Career Matrix Landing Your Data Scientist Dream Job Leaning into data science implementation Acing your accreditations Making the grade with coding bootcamps and data science career accelerators Networking and building authentic relationships Developing your own thought leadership in data science Building a public data science project portfolio Leading with Data Science Starting Up in Data Science Choosing a business model for your data science business Selecting a data science start-up revenue model Taking inspiration from Kam Lee’s success story Following in the footsteps of the data science entrepreneurs Part 5 The Part of Tens Chapter 19 Ten Phenomenal Resources for Open Data Digging Through data.gov Checking Out Canada Open Data Diving into data.gov.uk Checking Out US Census Bureau Data Accessing NASA Data Wrangling World Bank Data Getting to Know Knoema Data Queuing Up with Quandl Data Exploring Exversion Data Mapping OpenStreetMap Spatial Data Chapter 20 Ten Free or Low-Cost Data Science Tools and Applications Scraping, Collecting, and Handling Data Tools Sourcing and aggregating image data with ImageQuilts Wrangling data with DataWrangler Data-Exploration Tools Getting up to speed in Gephi Machine learning with the WEKA suite Designing Data Visualizations Getting Shiny by RStudio Mapmaking and spatial data analytics with CARTO Talking about Tableau Public Using RAWGraphs for web-based data visualization Communicating with Infographics Making cool infographics with Infogram Making cool infographics with Piktochart Index EULA
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